Construction Of The Control System - Canon iR3570 Service Manual

Chapter 5
[4]
[3]
[2]
[1]
[12]
[7]
[11]
F-5-1
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
*Optional. (100/230-V model only).

5.1.3 Construction of the Control System

iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /
The machine's control system is constructed as follows:
5-2
[5]
[6]
[7]
[10]
Item
Original cover open/closed
sensor (rear)
Reader controller PCB
Original sensor 3
Original sensor 4
Original sensor 5
Reader motor
Reader heater*
Original sensor 1
Original sensor 2
Contact image sensor (CIS)
CIS HP sensor
Cupboard cover open/closed
sensor
[8]
[9]
T-5-2
Notation Description
PS501 photo interrupter: detects the state (open/closed) of the
copyboard cover; starts original size indication when
the original cover is at 25 deg.
- controls the drive of the reader unit, and controls image
processing
PS506 helps identify original size (for all destinations)
PS507 helps identify original size (AB, Inch/AB)
PS508 helps identify original size (Inch/A)
M501 pulse motor: controls the drive of the carriage
- prevents condensation on the copyboard glass
PS504 helps identify original size (AB, Inch/A, Inch/AB)
PS505 helps identify original size (AB, A, Inch/AB)
- uses LEDs for indirect exposure (LED +
photoconducting body)
PS503 photo interrupter: detects CIS home position
PS502 ends original size identification with the copyboard
cover at 5 deg.
0006-5715